| 'use strict'; |
| |
| var isGlob = require('is-glob'); |
| var pathPosixDirname = require('path').posix.dirname; |
| var isWin32 = require('os').platform() === 'win32'; |
| |
| var slash = '/'; |
| var backslash = /\\/g; |
| var enclosure = /[\{\[].*[\/]*.*[\}\]]$/; |
| var globby = /(^|[^\\])([\{\[]|\([^\)]+$)/; |
| var escaped = /\\([\*\?\|\[\]\(\)\{\}])/g; |
| |
| /** |
| * @param {string} str |
| * @param {Object} opts |
| * @param {boolean} [opts.flipBackslashes=true] |
| */ |
| module.exports = function globParent(str, opts) { |
| var options = Object.assign({ flipBackslashes: true }, opts); |
| |
| // flip windows path separators |
| if (options.flipBackslashes && isWin32 && str.indexOf(slash) < 0) { |
| str = str.replace(backslash, slash); |
| } |
| |
| // special case for strings ending in enclosure containing path separator |
| if (enclosure.test(str)) { |
| str += slash; |
| } |
| |
| // preserves full path in case of trailing path separator |
| str += 'a'; |
| |
| // remove path parts that are globby |
| do { |
| str = pathPosixDirname(str); |
| } while (isGlob(str) || globby.test(str)); |
| |
| // remove escape chars and return result |
| return str.replace(escaped, '$1'); |
| }; |